liurenjie1024 commented on code in PR #1872:
URL: https://github.com/apache/iceberg-rust/pull/1872#discussion_r2588001736
##########
crates/iceberg/src/spec/table_properties.rs:
##########
@@ -49,6 +49,8 @@ pub struct TableProperties {
pub write_format_default: String,
/// The target file size for files.
pub write_target_file_size_bytes: usize,
+ /// Whether to use `FanoutWriter` for partitioned tables.
+ pub write_fanout_enabled: bool,
Review Comment:
```suggestion
pub write_datafusion_fanout_enabled: bool,
```
##########
crates/integrations/datafusion/src/physical_plan/write.rs:
##########
@@ -266,8 +266,26 @@ impl ExecutionPlan for IcebergWriteExec {
let data_file_writer_builder =
DataFileWriterBuilder::new(rolling_writer_builder);
// Create TaskWriter
- // TODO: Make fanout_enabled configurable via table properties
- let fanout_enabled = true;
+ let fanout_enabled = self
+ .table
+ .metadata()
+ .properties()
+ .get(TableProperties::PROPERTY_DATAFUSION_WRITE_FANOUT_ENABLED)
+ .map(|value| {
+ value
+ .parse::<bool>()
+ .map_err(|e| {
+ Error::new(
+ ErrorKind::DataInvalid,
+ "Invalid value for write.fanout.enabled, expected
'true' or 'false'",
Review Comment:
```suggestion
"Invalid value for {}, expected 'true' or
'false'", WRITE_DATAFUSION_FANOUT_ENABLED
```
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